February 2026 in “Nano Research” This study developed a dissolvable microneedle system delivering specific molecules to remodel lymphatic networks and normalize metabolic processes, which accelerated hair growth and activated hair follicle stem cells in a mouse model of androgenetic alopecia.
January 2026 in “Journal of Materials Chemistry B” This study concluded that the KNPs@M/G microneedle system offers a promising strategy for treating radiation-induced skin injury by promoting antioxidative, anti-inflammatory, and regenerative effects.
October 2025 in “Transplantation” This study developed dutasteride-loaded microneedle systems using a specific polymer to enhance transdermal delivery, demonstrating efficient drug release and increased accumulation in hair follicles, thus supporting their potential for treating androgenic alopecia.
September 2025 in “Tạp chí Da liễu học Việt Nam” In this study, combining ablative fractional microneedle radiofrequency with oral methylprednisolone was found to enhance hair density and mature hair rates in patients with alopecia areata better than oral methylprednisolone alone, though some adverse effects and increased hair shedding were noted over time.
July 2025 in “International Journal of Biological Macromolecules” A new microneedle system effectively delivers finasteride to treat hair loss.
April 2025 in “ACS Applied Nano Materials” In AGA mouse models, this study found that the combination of nickel–copper nanozymes and minoxidil in dissolvable microneedles significantly enhanced hair regeneration and improved the hair follicle microenvironment by reducing reactive oxygen species and increasing vascular density, compared to minoxidil alone.
April 2025 in “Biomacromolecules” This study developed microneedles loaded with Platycladus orientalis leaf extract to treat androgenic alopecia, finding that they can effectively deliver active ingredients into the dermis, promote hair follicle growth by removing free radicals, and activate the Wnt/β-catenin pathway.
In this study on mice, a baricitinib-loaded microneedle patch enhanced hair growth in alopecia areata lesions (68% vs control: 33%, p < 0.05), suggesting it may deliver treatment effectively and pain-free, with fewer systemic side effects.
January 2025 in “Journal of Materials Chemistry B” This abstract discusses androgenetic alopecia treatments like oral finasteride and topical minoxidil, reporting limited treatment efficacy and no new findings, and emphasizes the psychological impact on patients.
January 2025 in “RSC Pharmaceutics” Smart microneedles using advanced tech could improve psoriasis treatment.
April 2024 in “AAPS PharmSciTech” New microneedle method improves hair regrowth treatment delivery.
July 2023 in “Journal of Education, Health and Sport” This literature review reports that micro-needle radiofrequency is increasingly recognized in aesthetic medicine as a safe, effective treatment for various skin conditions, but further research is needed to optimize treatment parameters for the best outcomes.
November 2022 in “Clinical, Cosmetic and Investigational Dermatology” In this study, a combined treatment for moderate to severe androgenetic alopecia using electric microneedles showed a 100% response rate after 12 weeks, with improvements in hair density and mild side effects, offering promising application prospects.
14 citations
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March 2022 in “Macromolecular Rapid Communications” This review discusses the current state and potential future of polymer-based microneedles for transdermal drug delivery, without reporting new empirical results; it highlights their applications and existing challenges.
4 citations
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July 2023 in “Colloids and surfaces. B, Biointerfaces” This study explores novel alopecia treatments targeting lactate dehydrogenase pathways and improving drug delivery through technologies like phototherapy and soluble microneedles, though practical application challenges remain, necessitating further research for clinical use.
1 citations
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August 2023 in “Expert opinion on drug delivery” This study found that cedrol-loaded dissolvable microneedles efficiently delivered cedrol to the deep dermis, effectively promoting hair growth in C57BL/6 mice, suggesting a promising strategy for treating hair loss.
March 2026 in “Materials Today Bio” This study developed a minimally invasive cryo-microneedles array patch (cryo-MAP) technique for transplanting hair follicle organoids, showing successful hair growth and complex skin structure regeneration with over 86% success in 15 days, opening new possibilities in tissue engineering.
October 2025 in “Transplantation” This study found that finasteride delivered through dissolving microneedles enhanced skin drug permeation compared to films, suggesting potential for improved androgenetic alopecia treatment with fewer side effects.
October 2024 in “Small Methods” This study found that dissolving microneedles loaded with platinum nanozymes induced faster hair growth in an androgenetic alopecia model than daily minoxidil applications, with no significant safety concerns.
86 citations
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August 2021 in “Polymers” This review discusses the potential of microneedles to enhance transdermal drug delivery by expanding the range of deliverable drugs, highlighting fabrication methods, material choices, and applications, but notes existing challenges with sustained delivery, cost-effectiveness, and large-scale production.
51 citations
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September 2013 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that fractional radiofrequency microneedle treatment was safe and effective for improving acne scars in Asians, with minimal adverse effects reported at 6-month follow-up.
26 citations
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June 2020 in “Polymers” This study reported that a magneto-responsive transdermal microneedle system delivered Minoxidil effectively and significantly increased hair density by 800% in mice with androgenetic alopecia after 10 days.
22 citations
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November 2023 in “Molecules” This review focuses on recent advances in smart responsive polymer microneedles, which offer precise, on-demand drug delivery triggered by external or physiological stimuli, highlighting significant research implications for transdermal drug administration according to this source.
18 citations
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February 2025 in “Drug Delivery and Translational Research” This study demonstrated that a new topical treatment using ketotifen-loaded microneedles, designed for prolonged release, significantly reduced inflammatory markers in an animal model of allergic conjunctivitis, suggesting enhanced therapeutic delivery and sustained ocular benefits.
14 citations
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February 2024 in “Pharmaceutics” This review highlights that while nanoparticle-loaded dissolving microneedles have considerable promise for enhancing transdermal drug delivery, progress is delayed by insufficient understanding of their in vivo behavior, which the authors emphasize as crucial for advancing clinical applications.
10 citations
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June 2023 in “Preprints.org” This review discusses transdermal drug delivery using hydrogel-forming microneedles and highlights their potential and challenges for clinical application, but it reports no new clinical findings.
9 citations
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March 2024 in “Journal of Biomaterials Applications” This study developed dissolving microneedles using specific polymers for transdermal delivery of rizatriptan benzoate, demonstrating improved drug skin penetration and significant alleviation of migraine symptoms in vivo compared to passive diffusion, suggesting potential advantages over conventional treatment methods for acute migraine.
4 citations
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November 2023 in “Journal of Cosmetic Dermatology” In this study, researchers found that negative pressure fractional microneedle radiofrequency significantly improved periorbital wrinkles, hydration, and dermal thickness in patients with periorbital aging, while also increasing orderly collagen and elastic fibers, with minimal adverse effects reported.
July 2026 in “Journal of Drug Delivery Science and Technology” June 2026 in “Journal of Pharmaceutical Innovation”